Home / 15,310.39-22,917.87-11,791.27

Finding the Fourth Proportional to 15,310.39, 22,917.87 and 11,791.27

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Solution

The fourth proportional to 15,310.39, 22,917.87 and 11,791.27 is: 17,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.39 : 22,917.87 = 11,791.27 : x
  2. Step 2: Convert to fraction form
    15,310.39/22,917.87 = 11,791.27/x
  3. Step 3: Cross multiply
    15,310.39x = 22,917.87 × 11,791.27
  4. Step 4: Simplify right side
    15,310.39x = 270,230,792.99
  5. Step 5: Solve for x
    x = 270,230,792.99/15,310.39
  6. Step 6: Final answer
    x = 17,650.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.